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    • 6. 发明授权
    • Antibodies specific for native PrPSc
    • 针对天然PrPSc特异的抗体
    • US07052675B2
    • 2006-05-30
    • US11027139
    • 2004-12-29
    • Stanley B. PrusinerR. Anthony WilliamsonDennis R. Burton
    • Stanley B. PrusinerR. Anthony WilliamsonDennis R. Burton
    • A61K39/395G01N33/53G01N33/567C07K16/00
    • C07K16/18C07K2317/55G01N33/56983G01N33/6896G01N2800/2828
    • Antibodies are disclosed which specifically bind to native PrPSc in situ. Preferred antibodies bind only to the native PrPSc of a particular species e.g., human, cow, sheep, pig, etc. Particularly preferred antibodies bind specifically to a particular isoform of human PrPSc. Preferred antibodies of the invention are (1) produced by phage display methodology, (2) bind specifically to native PrPSc, (3) neutralizes the infectivity of prions, (4) bind to PrPSc in situ and (5) bind 50% or more of PrPSc in a liquid flowable sample. Antibodies of the invention can be bound to a substrate and used to assay a sample (which has any PrPc denatured via proteinase K) for the presence of PrPSc of a specific species which PrPSc is associated with disease. Antibodies which specifically bind to human PrPSc can be labeled and injected carrying out an in vivo diagnostic test to determine if the human is infected with prions associated with disease. The antibodies are preferably produced using phage display technology wherein the genetic material in the phage expressing the antibody is obtained from a mammal with an ablated endogenous PrP protein gene and an endogenous chimeric PrP gene which mammal had been inoculated with PrPSc to induce antibody production.
    • 公开了原位特异性结合天然PrP Sc的抗体。 优选的抗体仅结合特定种类例如人,牛,绵羊,猪等的天然PrP Sc。特别优选的抗体特异性结合人PrP < SUP>。 本发明优选的抗体是(1)通过噬菌体展示法产生,(2)特异性结合天然PrP ,(3)中和朊病毒感染性,(4)结合PrP < Sc(5)在液体可流动的样品中结合50%以上的PrP Sc 。 本发明的抗体可以与底物结合并用于测定样品(其通过蛋白酶K变性的任何PrP c),以获得特异性的PrP PrP Sc 与疾病相关的物种。 可以标记并注射与人PrP标准物质特异性结合的抗体进行体内诊断测试,以确定人是否感染与疾病相关的朊病毒。 优选使用噬菌体展示技术产生抗体,其中表达抗体的噬菌体中的遗传物质是从具有消融的内源性PrP蛋白基因的哺乳动物和内源性嵌合PrP基因获得的,哺乳动物已用PrP < SUP>以诱导抗体产生。
    • 7. 发明授权
    • Antibodies specific for native PrPsc
    • 特异于天然PrPsc的抗体
    • US06858397B2
    • 2005-02-22
    • US10435602
    • 2003-05-09
    • Stanley B. PrusinerR. Anthony WilliamsonDennis R. Burton
    • Stanley B. PrusinerR. Anthony WilliamsonDennis R. Burton
    • G01N33/53C07K16/18C07K16/44C12N5/10C12N15/02C12N15/09C12P21/08G01N33/569G01N33/68A61K39/395C07K16/00G01N33/567
    • C07K16/18C07K2317/55G01N33/56983G01N33/6896G01N2800/2828
    • Antibodies are disclosed which specifically bind to native PrPSc in situ. Preferred antibodies bind only to the native PrPSc of a particular species e.g., human, cow, sheep, pig, etc. Particularly preferred antibodies bind specifically to a particular isoform of human PrPSc. Preferred antibodies of the invention are (1) produced by phage display methodology, (2) bind specifically to native PrPSc, (3) neutralizes the infectivity of prions, (4) bind to PrPSc in situ and (5) bind 50% or more of PrPSc in a liquid flowable sample. Antibodies of the invention can be bound to a substrate and used to assay a sample (which has any PrPc denatured via proteinase K) for the presence of PrPSc of a specific species which PrPSc is associated with disease. Antibodies which specifically bind to human PrPSc can be labeled and injected carrying out an in vivo diagnostic test to determine if the human is infected with prions associated with disease. The antibodies are preferably produced using phage display technology wherein the genetic material in the phage expressing the antibody is obtained from a mammal with an ablated endogenous PrP protein gene and an endogenous chimeric PrP gene which mammal had been inoculated with PrPSc to induce antibody production.
    • 公开了与原位PrP 特异性结合的抗体。 优选的抗体仅与特定物种例如人,牛,绵羊,猪等的天然PrP 。 本发明的抗体可以与底物结合并用于测定样品(其通过蛋白酶K变性的任何PrPc)存在PrP Sc与PrP Sc相关的特定物种的PrP 。 可以对与人PrP 特异性结合的抗体进行标记和注射进行体内诊断测试,以确定人是否感染与疾病相关的朊病毒。 优选使用噬菌体展示技术产生抗体,其中表达抗体的噬菌体中的遗传物质是从具有消融的内源性PrP蛋白基因的哺乳动物和内源性嵌合PrP基因获得的,哺乳动物用PrP 接种以诱导抗体 生产。